Reference

Commercial production and business

Drying is one of the most accessible food-processing businesses to start: low capital, simple technology, forgiving throughput. It is also one of the easiest to run at a loss, because the money is made or lost in yield, energy, labour and compliance — not in the dryer.

Where a dried-food business actually succeeds

The same three patterns show up again and again in small drying operations:

Product forms and positioning

Equipment and capital costs

Indicative ranges for planning. Actual prices vary widely by country and supplier.

Buy in this order: (1) a reliable thermometer and a 0.1 g scale, (2) a proper slicer or mandoline, (3) a dryer with real airflow, (4) a water activity meter, (5) a vacuum sealer, (6) a metal detector or at least a documented sieve/inspection step. A water activity meter feels expensive until it saves one rejected retail batch.

Unit economics and costing

Model cost per kilogram of finished product. Every line matters, and the surprises are usually labour and yield, not energy.

Worked example

Writing a food safety plan

In most jurisdictions a food business must operate a safety management system based on HACCP principles. It is also simply good practice: it is how you know your process works on a bad day, not just a good one.

The seven HACCP principles, applied to drying

1. Hazard analysis Identify biological, chemical, physical and allergen hazards for each product and process step. For jerky, Salmonella and E. coli O157:H7 dominate. For dried fruit, mould and mycotoxins. For powders, foreign matter and allergen cross-contact.
2. Determine critical control points (CCPs) Where can you actually prevent, eliminate or reduce a hazard to an acceptable level? Typical drying CCPs: the lethality step (temperature and time), the final moisture/aw check, and packaging integrity.
3. Set critical limits Numeric and measurable: “meat internal temperature ≥ 160 °F for the full thickest piece”, “finished aw ≤ 0.60”, “seal integrity pass on every pouch”.
4. Monitor Who measures what, how often, with which instrument, and where it is recorded. Calibrated thermometer and aw meter, each batch.
5. Corrective actions Pre-decide what happens when a limit is exceeded: re-dry, re-process, downgrade, or destroy. Write it down before it happens.
6. Verification Prove the system works: periodic lab testing, equipment calibration, record review, internal audits, and validating the lethality step against published science or a challenge study.
7. Records Everything above, kept and retrievable. Records are the system — if it is not recorded, it did not happen.

Small producers can start with a simple, honest plan covering five or six CCPs and a one-page batch record. A short, accurate, well-followed plan beats a hundred-page document nobody uses.

Regulation and labelling — the United States

Dried food is regulated much like any other food. Key elements in the US:

• FDA Food Code and FSMA rules. Preventive Controls for Human Food requires a written food safety plan, hazard analysis, preventive controls, monitoring, corrective actions, verification and a recall plan for most facilities. Very small businesses have modified requirements — check your status.
• Registration. Food facilities generally must register with the FDA, and renew periodically.
• Current Good Manufacturing Practice (cGMP). Premises, sanitation, personnel hygiene, equipment and process controls.
• Labelling. Statement of identity, net quantity, ingredient list (by descending weight), allergen declaration for the eight major allergens (plus sesame), nutrition facts panel (with small-business exemptions in some cases), name and place of business, and “contains sulfites” above 10 ppm.
• Jerky specifically. USDA FSIS expectations for lethality and moisture–protein ratio apply to meat and poultry jerky; understand whether your product falls under FDA or FSIS jurisdiction.
• State and local. Cottage-food laws in many states allow small home operations for certain shelf-stable products — often including dried fruit and some baked goods, and often excluding meat. Read your state's rules before you build anything.

EU, UK and other jurisdictions

• EU: Regulation (EC) 852/2004 (food hygiene) and 178/2002 (general food law, traceability, recall) apply; HACCP-based procedures are mandatory for all food businesses. Labelling follows Regulation (EU) 1169/2011, including allergen emphasis and nutrition declaration, with a sulfite threshold as in the US. Novel foods and health claims have separate regimes.
• UK: retained EU food law with FSA oversight; similar hygiene, labelling and traceability duties.
• Canada, Australia/NZ, India, South Africa, Brazil: each has an equivalent hygiene and labelling framework — CFIA, FSANZ, FSSAI, DoH, ANVISA. The themes are universal: hygiene, HACCP-based controls, traceability, accurate labels, and recall capability.
• Exporting adds destination-country requirements, phytosanitary rules for plant products, and often a health certificate.

Certifications and standards

Packaging and distribution

• Choose packaging from the failure mode backwards. Crisp products need moisture barrier; fatty products need oxygen barrier; light-sensitive products need opacity.
• Retail formats: stand-up pouches with a resealable zip or tin-tie (snacks), rigid tubs and jars (premium), clear windows (where colour sells), multi-packs (value).
• Bulk formats: 5–25 kg food-grade liner bags inside cartons or drums for ingredient buyers, with moisture and pest protection.
• Distribution reality check: shelf-stable product survives an unrefrigerated supply chain, but heat exposure in transit still accelerates quality loss. Specify transport conditions and test a container in summer before signing a big order.
• Food miles are not shelf life: exporting is feasible because dried food is stable and light, but destination labelling, import rules and duties add cost and delay.
• Date marking: set a conservative best-before date backed by your own shelf-life testing (see shelf-life testing), not by optimism.

Marketing a dried-food brand